#CA3F3A#CA3F3A

#CA3F3A is a mid, vivid red. Relative luminance 0.164; OKLCH L 56.9% C 0.177 H 26.5°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#CA3F3A
RGB	rgb(202, 63, 58)
HSL	hsl(2, 58%, 51%)
HSV	hsv(2, 71%, 79%)
CMYK	cmyk(0%, 68.8%, 71.3%, 20.8%)
CIE-LAB	lab(47.52, 54.48, 34.46)
CIE-LCH	lch(47.52, 64.47, 32.32°)
OKLab	oklab(56.86% 0.158 0.0787)
OKLCH	oklch(56.86% 0.177 26.5)
XYZ	xyz(26.9013, 16.4210, 5.7552)
Luminance	0.1642 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CA3F3A #3AC5CA

analogous

#CA3A7D #CA3F3A #CA873A

triadic

#CA3F3A #3ACA3F #3F3ACA

tetradic

#CA3F3A #7DCA3A #3AC5CA #873ACA

square

#CA3F3A #7DCA3A #3AC5CA #873ACA

split-complementary

#CA3F3A #3ACA87 #3A7DCA

monochromatic

#6C201D #9D2E2A #CA3F3A #D76E6A #E49D9A

Accessibility & contrast

On white

4.90

#CA3F3A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#CA3F3A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CA3F3A

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CA3F3A	#FFFFFF	#000000	##FFFFFF
##CA3F3A	1.00	4.90	4.28	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.28	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665E38

Deuteranopia (green-blind)

#897C35

Tritanopia (blue-blind)

#DE123F

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #ca3f3a;
/* rgb */ color: rgb(202, 63, 58);
/* oklch */ color: oklch(56.9% 0.177 26.5);

Tailwind

colors: {
  custom: {
    50: '#e27c70',
    500: '#ca3f3a',
    950: '#000000',
  },
}

SCSS

$custom: #ca3f3a;
$custom-light: #e27c70;
$custom-dark: #000000;

JSON

{
  "hex": "#ca3f3a",
  "rgb": {
    "r": 202,
    "g": 63,
    "b": 58
  },
  "hsl": {
    "h": 2.083,
    "s": 57.6,
    "l": 50.98
  },
  "oklch": {
    "l": 0.56856,
    "c": 0.17652,
    "h": 26.5
  },
  "luminance": 0.16417
}

Semantic roles & 50–950 ramp

primary

#CA3F3A

secondary

#90CED0

accent

#DBE147

background

#FFF7F6

surface

#FEEEEC

border

#D6C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CA3F3A

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →